function onbtnrecommend(argument) {
    $(".switchbtn_current").removeClass("switchbtn_current");
    $("#discuss_block").attr("hidden","hidden");
    var comments_block = document.getElementById('comments_block');
    var recommend_block = document.getElementById('recommend_block');
    var btncomment = document.getElementById('btncomment');
    var btnrecommend = document.getElementById('btnrecommend');

    comments_block.hidden = 'hidden';
    recommend_block.hidden = null;
    btncomment.classList.remove('switchbtn_current');
    btnrecommend.classList.add('switchbtn_current');
}

function onbtncomment(argument) {
    $(".switchbtn_current").removeClass("switchbtn_current");
    $("#discuss_block").attr("hidden","hidden");
    var comments_block = document.getElementById('comments_block');
    var recommend_block = document.getElementById('recommend_block');
    var btncomment = document.getElementById('btncomment');
    var btnrecommend = document.getElementById('btnrecommend');

    comments_block.hidden = null;
    recommend_block.hidden = 'hidden';
    btnrecommend.classList.remove('switchbtn_current');
    btncomment.classList.add('switchbtn_current');
}
